Few workers, no matter how much they want to speak truth to power, want to stop the paychecks. I think people hunker down and try to keep rainy day funds stocked when things are this shaky. And vandalism and fires need to stop now, or we're going to hand several toss-up states to Trump. For an incompetent moron, he's surprisingly good at fearmongering.
If I were talking to a leftist demonstrator right now, I'd say to go Full Gandhi and not react with any violence to any provocation. The GOP has always been good at turning any sort of street battle to their advantage. Let the redneck paintballs strike you, then find a photojournalist...
I'd tell them to study the tactics of Spiro Agnew and learn how history might rhyme.